\usecolortheme{beetle}

\definecolor{univcol}{RGB}{51,51,51} % ~ dark gray
\definecolor{univcol1}{RGB}{187,206,57} % ~ vert
\definecolor{univcol2}{RGB}{234,121,19} % ~ orange
\definecolor{univcol3}{RGB}{145,53,53} % ~ rouge

\setbeamertemplate{navigation symbols}{}
\setbeamercolor{normal text}{bg=univcol, fg=white}
\setbeamercolor{title}{fg=univcol2}
\setbeamercolor{subtitle}{fg=white}
\setbeamerfont{title}{
    shape=\upshape,
    series=\bfseries,
    family=\fontfamily{lmss}
}

\setbeamerfont{frametitle}{size=\Large}
\setbeamercolor{frametitle}{fg=univcol1}

% \addtobeamertemplate{footline}{\hfill\insertframenumber/\inserttotalframenumber\hspace{2em}\null}
\setbeamercolor{footer}{fg=white, bg=univcol3}
\setbeamercolor{footmiddle}{fg=univcol, bg=univcol1}
\setbeamertemplate{footline}{
    \leavevmode%
    \hbox{\hspace*{-0.06cm}
    \begin{beamercolorbox}[wd=.2\paperwidth,ht=2.25ex,dp=1ex,center]{footer}%
        \usebeamerfont{author in head/foot}\insertshortauthor%~~(\insertshortinstitute)
    \end{beamercolorbox}%
    \begin{beamercolorbox}[wd=.6\paperwidth,ht=2.25ex,dp=1ex,center]{footmiddle}%
        \usebeamerfont{section in head/foot}\insertsection
    \end{beamercolorbox}%
    \begin{beamercolorbox}[wd=.2\paperwidth,ht=2.25ex,dp=1ex,right]{footer}%
        \usebeamerfont{section in head/foot}%\insertshortdate{}\hspace*{2em}
        \insertframenumber{} / \inserttotalframenumber\hspace*{2ex}
    \end{beamercolorbox}}%
    \vskip0pt%
}

\renewcommand{\emph}[1]{\textcolor{univcol2}{\textit{#1}}}

\setbeamertemplate{itemize item}[circle]

\institute[UFR Sc. \& Tech.]{ 
    UFR des Sciences et Techniques \\
    Université de Rouen\\ \ \\ 
    \includegraphics[height=10mm]{logo.jpg}
}